var gradualFader={}
gradualFader.baseopacity=0.6
gradualFader.increment=0.2
document.write('<style type="text/css">\n')
document.write('.gradualfader{filter:progid:DXImageTransform.Microsoft.alpha(opacity='+gradualFader.baseopacity*100+'); -moz-opacity:'+gradualFader.baseopacity+'; opacity:'+gradualFader.baseopacity+';}\n')
document.write('</style>')
gradualFader.setopacity=function(obj, value){
var targetobject=obj
if (targetobject && targetobject.filters && targetobject.filters[0]){
if (typeof targetobject.filters[0].opacity=="number")
targetobject.filters[0].opacity=value*100
else
targetobject.style.filter="alpha(opacity="+value*100+")"
}
else if (targetobject && typeof targetobject.style.MozOpacity!="undefined")
targetobject.style.MozOpacity=value
else if (targetobject && typeof targetobject.style.opacity!="undefined")
targetobject.style.opacity=value
targetobject.currentopacity=value
}
gradualFader.fadeupdown=function(obj, direction){
var targetobject=obj
var fadeamount=(direction=="fadeup")? this.increment : -this.increment
if (targetobject && (direction=="fadeup" && targetobject.currentopacity<1 || direction=="fadedown" && targetobject.currentopacity>this.baseopacity)){
this.setopacity(obj, targetobject.currentopacity+fadeamount)
window["opacityfader"+obj._fadeorder]=setTimeout(function(){gradualFader.fadeupdown(obj, direction)}, 50)
}
}
gradualFader.clearTimer=function(obj){
if (typeof window["opacityfader"+obj._fadeorder]!="undefined")
clearTimeout(window["opacityfader"+obj._fadeorder])
}
gradualFader.isContained=function(m, e){
var e=window.event || e
var c=e.relatedTarget || ((e.type=="mouseover")? e.fromElement : e.toElement)
while (c && c!=m)try {c=c.parentNode} catch(e){c=m}
if (c==m)
return true
else
return false
}
gradualFader.fadeinterface=function(obj, e, direction){
if (!this.isContained(obj, e)){
gradualFader.clearTimer(obj)
gradualFader.fadeupdown(obj, direction)
}
}
gradualFader.collectElementbyClass=function(classname){
var classnameRE=new RegExp("(^|\\s+)"+classname+"($|\\s+)", "i")
var pieces=[]
var alltags=document.all? document.all : document.getElementsByTagName("*")
for (var i=0; i<alltags.length; i++){
if (typeof alltags[i].className=="string" && alltags[i].className.search(classnameRE)!=-1)
pieces[pieces.length]=alltags[i]
}
return pieces
}
gradualFader.init=function(){
var targetobjects=this.collectElementbyClass("gradualfader")
for (var i=0; i<targetobjects.length; i++){
targetobjects[i]._fadeorder=i
this.setopacity(targetobjects[i], this.baseopacity)
targetobjects[i].onmouseover=function(e){gradualFader.fadeinterface(this, e, "fadeup")}
targetobjects[i].onmouseout=function(e){gradualFader.fadeinterface(this, e, "fadedown")}
}
}